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EXAMINATIONS COUNCIL OF SWAZILAND

Junior Certificate Examination

SCIENCE

Paper 1 Multiple Choice

Additional Materials: Multiple Choice Answer Sheet

Electronic calculators

Soft clean erasor

Soft pencil (type B or HB recommended).

READ THESE INSTRUCTIONS FIRST

Write in soft pencil.

Write your Centre number, candidate number and name on the Answer Sheet in the

spaces provided unless this has been done for you.

There are forty questions on this paper. Answer all questions. For each question there are

four possible answers A, B, C and D. Choose the one you consider correct and record

your choice in soft pencil on the separate Answer Sheet.

Read and follow the instructions on the separate Answer Sheet carefully.

Each correct answer will score one mark. A mark will not be deducted for a wrong answer.

Any rough work should be done on this Question Paper and not on the Answer Sheet.

The total of the marks for this paper is 40.

______________________________________________________________________This document consists of 14 printed pages and 2 blank pages.

414/01

October/November 2018

1 hour

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Fig. 1.1 shows a scale balance used to measure mass.

Fig. 1.1

What is the reading shown by the scale balance in the Fig.1.1?

A 38 g

B 380 g

C 46 g

D 47 g

2 Which of the following is a symbol of magnesium?

A Mn

B Mo

C Mg

D Ar

3 A tubing that contains sugar solution is immersed in pure water.

What is the name given to the process by which the water enters the tubing?

A osmosis

B absorption

C transpiration

D evaporation

5

10

15

20 2530

35

40

45

50

mass / gmass / g

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4 Which measurements are necessary in the calculation of the density of an irregular shaped object?

A weight and volume of object

B mass and volume of object

C volume of water plus object

D mass of water plus object

5 Which one of the following methods is used to separate a mixture of dyes in ink?

A filtration

B chromatography

C distillation

D fractional distillation

6 Which formula is used to calculate the average speed of a moving object?

A

B total distance x time taken

C

D mass of object x time taken

7 Which apparatus can be used to separate oil and water?

A filter paper

B filter funnel

C separating funnel

D thistle funnel

8 Which component of the blood is responsible for the transport of oxygen in the body?

A plasma

B red blood cells

C platelets

D white blood cells

total time taken total distance

total distance total time taken

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9 Which of the following is a method of magnetisation?

A hammering

B heating

C stroking

D dropping

10 Fig. 10.1 shows an apparatus used during filtration.

Fig. 10.1

What are the names of the labelled parts E, F and G?

E F G

A filtrate filter funnel residue

B residue filter funnel filtrate

C residue filter paper filtrate

D filtrate filter paper residue

11 A student wants to obtain pure water from a salt solution.

Which separation method can the student use?

A simple distillation

B fractional distillation

C filtration

D crystallisation

E

F

G

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Questions 12 and 13 refer to Fig.12.1.

Fig. 12.1 shows an internal structure of the human heart.

Fig. 12.1

12 What is the name of the blood vessel labelled H?

A aorta

B pulmonary vein

C pulmonary artery

D vena cava

13 What is the function of the part labelled I?

A carries oxygenated blood.

B carries deoxygenated blood

C pumps blood to the lungs

D transport blood to the cells

H

I

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14 The three states of matter can be converted to one another.

Solid Liquid Gas

What is the name given to the change of states in A, B and C

A B C

A melting boiling condensing

B boiling condensing melting

C condensing melting boiling

D melting condensing boiling

15 Which quantity is measured in Hertz?

A period

B wavelength

C amplitude

D frequency

16 Fig. 16.1 shows a ray of light from a fish under water.

Fig. 16.1

What property of light is shown in Fig. 16.1?

A reflection

B refraction

C converging

D diverging

A B

C freezing

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17 A polythene strip rubbed with a piece of cloth becomes negatively charged.

Which statement best describes what has happened to the polythene strip?

A It has lost electrons to the cloth.

B It has gained electrons from the cloth.

C It has lost protons to the cloth.

D It has gained protons from the cloth.

18 An ammeter is used to measure current in a circuit. Fig. 18.1 shows the connection of ammeters in circuit diagrams.

Fig. 18.1 Which circuit diagram shows the correct connection of an ammeter measuring the

current through the bulb?

19 Crystals are formed during crystallisation.

Which method is used to produce small crystals during crystallisation?

A slow cooling

B fast cooling

C heating

D cooling

A

A A

C

A B

D

A

A

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20 Fig. 20.1 shows the human respiratory system.

J

Fig. 20.1 What is the name of the part labelled J?

A larynx

B trachea

C bronchi

D lungs

21 What happens to the diaphragm, rib cage and lungs during inhalation?

A diaphragm is lowered, rib cage is raised and the lungs increase in volume

B diaphragm is lowered, rib cage is lowered and the lungs increase in volume

C diaphragm is raised, rib cage is raised and the lungs decrease in volume

D diaphragm is raised, rib cage is lowered and the lungs increase in volume

22 Girly heats water in the laboratory using a Bunsen burner.

What happens to the temperature of the water as she continues to apply heat even when the water boils?

A increases

B stays the same

C increases then decreases

D decreases then increase

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23 Why are rusting and respiration similar reactions?

A are exothermic reactions

B both produce carbon dioxide

C are oxidation reactions

D are endothermic reactions

24 Thabo exhaled air into a bottle.

What is the difference between the air breathed into the bottle and the air outside? A The air in the bottle has a higher concentration of carbon dioxide.

B The carbon dioxide concentration is the same inside and outside bottle.

C The air in the bottle has a higher concentration of oxygen outside.

D The concentration of carbon dioxide is more than oxygen in the bottle.

25 What is the approximate composition of oxygen, carbon dioxide and nitrogen in the air?

oxygen carbon dioxide nitrogen

A 21% 0.03% 78%

B 78% 1.0% 21%

C 0.03% 21% 1.0%

D 1.0% 78% 1.0%

26 Which one of these statements about the reaction of Group I elements with water is true? A A solution of halides ions is formed.

B An acidic solution is formed.

C Oxygen is given off.

D An alkaline solution is formed.

27 Which statement is true about Vitamin C and D?

A They are not digested or broken down for energy.

B They are mostly built up into the body structures.

C They are essential in very large quantities for normal health.

D They are related to each other in their chemical structures.

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28 A school uses painted steel drums as rubbish bins.

Which one of these statements explains the importance of painting the steel drums?

A to make school beautiful

B paint excludes oxygen from steel

C drums can carry more refuse

D drums can last longer

29 Which one of the following statements correctly defines the amplitude of a wave?

A The distance occupied by one complete wave.

B The rate at which the wave passes through the material.

C The number of complete waves produced per second.

D The maximum displacement of each particle from rest position.

30 Which one of the statements about metals is true?

A All metals make a dull sound when hit.

B All metals are solids at room temperature.

C All metals are good conductors of electricity.

D All metals have high melting points.

31 What are the end products of the digestion of carbohydrates, proteins and fats in the body?

carbohydrates proteins fats

A glucose fatty acids and glycerol

amino acids

B fatty acids and glycerol

glucose amino acids

C amino acids glucose fatty acids and glycerol

D glucose amino acids fatty acids and glycerol

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32 Calcium reacts with water producing two products.

What are the names of the two products for this reaction?

A calcium oxide and hydrogen

B calcium hydroxide and oxygen

C calcium oxide and oxygen

D calcium hydroxide and hydrogen

33 A girl runs up a hill at a constant speed.

Which energy(s) does she gain?

A kinetic energy

B gravitational potential

C kinetic and potential energy

D heat and kinetic energy

34 Fig. 34.1 shows water boiled from a kettle and then condensed on a cold metal plate.

Fig. 34.1

What happens to the particles when the water condenses?

A They get bigger.

B They move slower.

C They move faster.

D They remain fixed.

cold metal plate

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35 Fig. 35.1 shows the human urinary system.

Fig. 35.1

State the function of the part labelled K.

A stores urine and faeces

B transports urine to the bladder

C removes urea from the blood

D carries deoxygenated blood to the kidney

36 Three metals are put in dilute hydrochloric acid in three separate test-tubes labelled M, N and O.

The results of the experiment are shown in the table below.

What is the order of reactivity of these metals, starting with the most reactive?

A M N O

B N O M

C M O N

D O M N

metal result

M no bubbles

N many bubbles

O few bubbles

K

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37 Which human activity increases the concentration of sulfur dioxide in the atmosphere?

A burning of fossil fuels

B use of insecticides to kill pests

C discharge of sewage in the rivers

D solid waste buried in ground

38 The diagram shows the colours of the three wires of a cable from a heater to a 3-pin plug.

Which letter, A, B, C or D describes the correct connection of the cable to the 3-pin plug?

live neutral earth

A blue brown green and yellow

B brown blue green and yellow

C green and yellow blue brown

D brown green and yellow blue

39 Which one of these diagrams represents a mixture?

green and yellow

blue

brown

A B C D

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40 Fig. 40.1 shows a section of a wind pollinated flower.

Fig. 40.1

Which feature indicates that it is a wind pollinated flower?

A stigma feathery

B large petals

C anthers inside flower

D nectar guides

anther

Stig stigma

Stig style

Stig ovary

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